Jinlei Technology Co., Ltd., together with its subsidiaries, engages in the research, development, manufacture, machining, and sale of wind turbine main shafts, and various castings and forgings in China and internationally. The company offers fan spindle products comprising forged and casting shafts, and spindle accessories; and free forging products, including cylinders, discs, and other special-shaped forgings. It also provides new energy power equipment; bearings, gears, and transmission parts; and plastic and polymer composite products. In addition, the company engages in the development, production, and sale of wind and solar power generation projects; commodity wholesale; and import and export of mechanical parts.